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Aleksandr-060686 [28]
3 years ago
11

$3 is what percent of $40

Mathematics
2 answers:
givi [52]3 years ago
6 0
It is 7.5% of 40, hope this helps you
Anuta_ua [19.1K]3 years ago
5 0
<span>I do believe it is 7.5%</span>
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Jones has a 100-acre farm. he sells it to a developer who is going to build houses. the developer will use 10% of the land for s
Sholpan [36]
The first thing we must do is find the amount of land that will be used for the 120 lots.
 We must remember that 10% of the land will not be used for the lots.
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 100 - (0.10) * (100) = 100 - 10 = 90 acres.&#10;
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6 0
3 years ago
Domain: -00 &lt; x &lt; 00<br><br>Range: pi/2 ≤ y ≤ pi/2<br><br> what is tan^ -1 (1) =​
e-lub [12.9K]

Answer:

π/4

Q1

Step-by-step explanation:

Other options for arctan(1) is 5π/4 + nπ, where n is a whole number, but they are all outside the Range.

6 0
3 years ago
Which is the correct label of the line? (1 point)<br> a<br> AC<br> O<br> CD<br> D<br> Ο OllA
Scrat [10]

Answer:

The correct label of the line is CD

4 0
3 years ago
5. Three people are planting tomatoes in a community garden. Marta takes
SCORPION-xisa [38]

The time it will take for Tyler to finish planting tomatoes alone is; 75 minutes

<h3>Understanding Work Proportion</h3>

We are told that three people are planting tomatoes in a community garden. The time each alone takes to plant are;

  • Marta = 50 minutes
  • Benito = x minutes
  • Tyler = x + 15 minutes

Thus, their individual rates are;

  • Marta = 1/50
  • Benito = 1/x
  • Tyler = 1/(x + 15)

Since together, they take 20 minutes, then it means that;

1/50 + 1/x + 1/(x + 15) = 1/20

Multiply through by x(x + 15) to get;

(x² + 15x)/50 + (x + 15) + x = (x² + 15x)/20

Multiply through by 100 to get;

2(x² + 15x) + 100(x + 15) + 100x = 5(x² + 15x)

100x + 1500 + 100x = 5(x² + 15x) - 2(x² + 15x)

200x + 1600 = 3x² + 45x

3x² - 155x - 1600 = 0

Solving this using quadratic formula calculator online gives;

x ≈ 60

Thus, the time it will take tyler alone to finish is;

60 + 15 = 75 minutes

Read more about Work Proportion at; brainly.com/question/1781657

4 0
2 years ago
The price of Philip's favorite candy has been reduced by $0.15 per piece. Philip buys 14 pieces and spends $3.22.
Pavlova-9 [17]
The regular price for each piece would be $0.38
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3 years ago
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